]> git.ozlabs.org Git - yaboot.git/blobdiff - second/fs_of.c
The CAS (Client-Architecture Support) call tells firmware what capabilities the
[yaboot.git] / second / fs_of.c
index d9caa3226be9b24a29779354cf6fded84b193fb9..0d554c56c571f5cf9f46aa40693f94a791393bb4 100644 (file)
@@ -20,7 +20,7 @@
  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  */
 
-/* 
+/*
  * BrokenFirmware cannot "read" from the network. We use tftp "load"
  * method for network boot for now, we may provide our own NFS
  * implementation in a later version. That means that we allocate a
 #include "prom.h"
 #include "string.h"
 #include "partition.h"
+#include "fdisk-part.h"
 #include "fs.h"
 #include "errors.h"
 #include "debug.h"
 
-#define LOAD_BUFFER_POS                0x600000
-#define LOAD_BUFFER_SIZE       0x400000
+#define LOAD_BUFFER_POS                0x00000000
+#define LOAD_BUFFER_SIZE       0x01000000
 
 static int of_open(struct boot_file_t* file, const char* dev_name,
                   struct partition_t* part, const char* file_name);
@@ -84,13 +85,18 @@ of_open(struct boot_file_t* file, const char* dev_name,
      static char       buffer[1024];
      char               *filename;
      char               *p;
-       
+
      DEBUG_ENTER;
      DEBUG_OPEN;
 
      strncpy(buffer, dev_name, 768);
      strcat(buffer, ":");
      if (part) {
+          if (part->sys_ind == LINUX_RAID) {
+              DEBUG_F("skipping because partition is marked LINUX_RAID\n");
+              DEBUG_LEAVE(FILE_ERR_BAD_FSYS);
+              return FILE_ERR_BAD_FSYS;
+         }
          char pn[3];
          sprintf(pn, "%02d", part->part_number);
          strcat(buffer, pn);
@@ -100,7 +106,7 @@ of_open(struct boot_file_t* file, const char* dev_name,
               strcat(buffer, ",");
          filename = strdup(file_name);
          for (p = filename; *p; p++)
-              if (*p == '/') 
+              if (*p == '/')
                    *p = '\\';
          strcat(buffer, filename);
          free(filename);
@@ -119,7 +125,7 @@ of_open(struct boot_file_t* file, const char* dev_name,
          DEBUG_LEAVE(FILE_ERR_BAD_FSYS);
          return FILE_ERR_BAD_FSYS;
      }
-       
+
      DEBUG_LEAVE(FILE_ERR_OK);
      return FILE_ERR_OK;
 }
@@ -140,12 +146,12 @@ of_net_open(struct boot_file_t* file, const char* dev_name,
          strcat(buffer, ",");
          filename = strdup(file_name);
          for (p = filename; *p; p++)
-              if (*p == '/') 
+              if (*p == '/')
                    *p = '\\';
          strcat(buffer, filename);
          free(filename);
      }
-                       
+
      DEBUG_F("Opening: \"%s\"\n", buffer);
 
      file->of_device = prom_open(buffer);
@@ -158,8 +164,10 @@ of_net_open(struct boot_file_t* file, const char* dev_name,
          DEBUG_LEAVE(FILE_ERR_BAD_FSYS);
          return FILE_ERR_BAD_FSYS;
      }
-       
-     file->buffer = prom_claim((void *)LOAD_BUFFER_POS, LOAD_BUFFER_SIZE, 0);
+
+
+     file->buffer = prom_claim_chunk((void *)LOAD_BUFFER_POS,
+                                     LOAD_BUFFER_SIZE, 0);
      if (file->buffer == (void *)-1) {
          prom_printf("Can't claim memory for TFTP download\n");
          prom_close(file->of_device);
@@ -171,9 +179,9 @@ of_net_open(struct boot_file_t* file, const char* dev_name,
      DEBUG_F("TFP...\n");
 
      file->len = prom_loadmethod(file->of_device, file->buffer);
-       
+
      DEBUG_F("result: %Ld\n", file->len);
-       
+
      DEBUG_LEAVE(FILE_ERR_OK);
      return FILE_ERR_OK;
 }
@@ -182,7 +190,7 @@ static int
 of_read(struct boot_file_t* file, unsigned int size, void* buffer)
 {
      unsigned int count;
-       
+
      count = prom_read(file->of_device, buffer, size);
      file->pos += count;
      return count;
@@ -192,9 +200,9 @@ static int
 of_net_read(struct boot_file_t* file, unsigned int size, void* buffer)
 {
      unsigned int count, av;
-       
+
      av = file->len - file->pos;
-     count = size > av ? av : size; 
+     count = size > av ? av : size;
      memcpy(buffer, file->buffer + file->pos, count);
      file->pos += count;
      return count;
@@ -207,7 +215,7 @@ of_seek(struct boot_file_t* file, unsigned int newpos)
          file->pos = newpos;
          return FILE_ERR_OK;
      }
-               
+
      return FILE_CANT_SEEK;
 }
 
@@ -231,11 +239,11 @@ of_close(struct boot_file_t* file)
      prom_close(file->of_device);
      DEBUG_F("of_close called\n");
 
-     DEBUG_LEAVE(0);   
+     DEBUG_LEAVE(0);
      return 0;
 }
 
-/* 
+/*
  * Local variables:
  * c-file-style: "k&r"
  * c-basic-offset: 5